FMF3WSFRE73-120K

Series:	FMF
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	120 kOhms
Tolerance:	±1%
Power (Watts):	3W
Composition:	Metal Film
Features:	Flame Proof, Safety
Temperature Coefficient:	±50ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.197" Dia x 0.610" L (5.00mm x 15.50mm)
Height - Seated (Max):	--
Number of Terminations:	2

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Through Hole ResistorsThrough hole resistors, also known as leaded resistors, are a type of device used to reduce electrical current flow, adjust the signal level, divide voltages, and create bias conditions within an electric circuit. They belong to a larger family of electrical components, such as capacitors and inductors, known as passive components. Within the larger realm of resistors, there are a variety of design factors that must be understood when advising on selection. The FMF3WSFRE73-120K is a through hole resistor with 0.3 ohm power rating and 120 Kilo ohm impedance. It is a non-encapsulated design with ceramic dielectric construction, which is available in a variety of tolerances and wattages. It’s also features a flatted lug that will accommodate both flat and round terminals.To understand the many applications and working principles of the FMF3WSFRE73-120K, we must start by understanding its features. This particular type of resistor is designed to be placed on a circuit board. The through-hole design allows for a secure, direct connection to the circuit board, and the ceramic dielectric construction provides excellent electrical insulation. Additionally, this resistor features a flat lugs to accommodate both flat and round terminals. This allows the device to be securely mounted in place, ensuring a reliable and lasting connection.The primary purpose of this through hole resistor is to reduce the amount of voltage or current in a circuit. By applying a resistive force to the flow of electricity, the voltage or current is weakened and the components attached to the circuit board are protected from power spikes or overloads. This principle is referred to as ohmic resistance, where the higher the ohmic resistance value, the more current that is resisted or controlled. The FMF3WSFRE73-120K can be used for many different applications including motor control, audio systems, power sources, and temperature control. In motor control applications, the resistors can be used to set the voltage level of a motor in order to set the speed at which it operates. In audio systems, the resistors can be used to set the volume and balance of a sound system. In power sources, the resistors can be used to regulate the amount of power received or supplied in order to protect the components that are connected to the source. Lastly, in temperature control applications, the resistors can be used to reduce the amount of heat generated by the circuit board, keeping the components running at a safe temperature level.The FMF3WSFRE73-120K also has several key safety features including an industry-leading operating temperature range of -55 to +125°C. The high dielectric strength of the ceramic dielectric material is also designed to keep the electrical current from arcing, preventing potential shorts and accidents. Additionally, this device features a superior resistance value to withstand power surges and is rugged construction to handle accidental drops and collisions.To summarize, the FMF3WSFRE73-120K is a through hole resistor constructed with ceramic dielectric material and a flat lugs to suit both flat and round terminals. The device is used to control the current or voltage in a circuit, usually in applications such as motor control, audio systems, power sources, and temperature control. This resistor also features a variety of safety features which include an industry-leading operating temperature range, high dielectric strength, superior resistance value, and rugged construction.

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